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Tailwind Height: A Comprehensive Guide for Powerful Control

As a software developer, a best practice is to avoid reinventing the wheel. Instead of worrying about writing your codes from scratch or creating your custom styles, you can use tools, libraries, and frameworks to quickly and effortlessly bootstrap your project.

Using frameworks such as Tailwind enables you to quickly get started with your project.

What Is Tailwind?

Tailwind is a utility-first CSS framework that prioritizes utility-first design, offering a set of pre-set classes for creating and styling web pages directly within your HTML markup. This framework allows you to incorporate CSS into your HTML by utilizing only pre-set classes.

We will take a look at what the utility-first principle is and understand what the CSS framework is.

Tailwind CSS

The height utility class in Tailwind allows you to control the height of HTML elements. It provides classes that enable you to set the height of elements to specific values, and percentages, or use arbitrary values for common use cases.

In this article, I will walk you through everything you need to know about Tailwind CSS height.

What is the Utility First Approach?

Tailwind CSS’s utility-first approach is a styling methodology that involves applying small, single-purpose classes directly to HTML elements. Developers can compose their user interface by combining these classes rather than relying on predefined components or semantic class names.

This approach provides greater styling control and flexibility, allowing for faster development and customization. You can easily create unique designs with Tailwind without writing custom CSS, resulting in a highly efficient and scalable workflow. That is why at Purecode.ai, we have simplified and reduced the time for you to develop your web applications by providing you with 10, 000+ AI-generated custom components for you to quickly kick-start your project.

Difference Between Framework and Library

A framework is a complete code collection that includes all necessary components for developing an application, such as routing, templating, and database access. It makes building a web application faster and easier but limits flexibility in design and functionality. Examples include Angular, etc.

A library, on the other hand, is a collection of code that provides specific functionality but does not provide a complete structure. Libraries can be used to add features to an app, such as validation, form handling, and image processing. Examples include React, Vue, etc.

Tailwind is a utility-first CSS framework that provides low-level CSS classes for building any type of component. While not a complete framework, it can be used in conjunction with other frameworks and libraries to build modern web applications. For instance, using Tailwind with a framework like Laravel or Angular to create a complete web application.

Understanding Height Properties in Tailwind

The height utility class in Tailwind allows you to easily control the height of elements. It provides a set of classes that enable you to set the height of elements to specific values, and percentages, or use predefined height utilities for common use cases. This class is a replacement for the CSS height property and is used to specify an element’s height.

๐Ÿ“Note: Padding, margin, and element borders are not included in the height class unlike the box model in CSS.

Tailwind provides a range of predefined height options that you can use out of the box. However, if you need to use custom heights that are not available in the Tailwind documentation, you can set your height using arbitrary values.

Managing the height and width of elements can be challenging in CSS, but Tailwind simplifies this with its height classes. The pattern for height classes in Tailwind is .h-{size}, where {size} represents a specific height value.

Tailwind provides a range of fixed-size options based on a scaling scale, with each number representing 0.25rem. For example, you can use classes like .h-0, .h-8, or .h-px to set the height of elements.

๐Ÿ“Note: The sizing of elements is often dependent on the available space based on both the parent elements and the content.

Importance of Responsive Design Tailwind Classes

The importance of responsive design in Tailwind classes cannot be overstated. Responsive design ensures that your website or application adapts to and looks great on various devices and screen resolutions.

Tailwind includes several responsive classes that make creating responsive layouts and components easy.

Below is a list of some classes available to control the height of elements in Tailwind. โฌ‡ For an even complete list of these classes, see the Tailwind docs on height.

Height Class Table

Taiwlind table
Taiwlind table

How to Give Height in Tailwind?

To give height in Tailwind, you can use the h-{size} utility class, where {size} represents a specific height value. Tailwind provides a range of predefined height options that you can use out of the box. Additionally, you can set your custom height values if needed.

Examples of common height classes like h-{value}

Here are five examples of common height classes like h-{value} in Tailwind:

  1. h-full: Sets the height of the element to 100% of its parent container.

  2. h-px: Sets the height of the element to a specific value in pixels. For example, h-100px would set the height of the element to 100 pixels.

  3. h-auto: Sets the height of the element to automatically adjust based on its content.

  4. h-{1/2, 1/3, 1/4, …}: Sets the height of the element to a fraction of the height of its parent container. For example, h-1/2 would set the height of the element to half the height of its parent container.

Here are some examples of how to use these classes:

<p class="h-20 border border-red-500">This element will be 20 pixels high.</p>

<p class="h-12  border border-red-500 mt-2">This element will be 12 pixels high.</p>

<p class="h-auto border border-red-500 mt-2">
  This element will automatically adjust its height based on its content.
</p>

<p class="h-full border border-red-500 mt-2">
  This element will be the full height of its parent container.
</p>

<p class="h-screen border border-red-500 mt-2">
  This element will be the full height
</p>

You can also combine these classes to create more complex responsive layouts. For example, you could use this code to create a layout where the left side of the page is full height and the right side is half height.

<p class="h-full md:h-1/2">
  This element will be half the height of its parent container on tablets and full on mobile.
</p>

How to Set Height 100% in Tailwind?

To set 100 height in Tailwind, you can use the height utilities class. This class will set the height of an element to 100% of its parent container.

To use the class, simply add it to the element you want to set the height of. For example, the following code would set the height of the div element to 100% of its parent container:

<p class="h-[100%]">
  This element will be 100% the height of its parent container.
</p>

This class is similar to the height utilities class., but it sets the height of the element to 100% of the viewport instead of its parent container. Here is an example:

<header class="h-screen">
  This header will be 100%.
</header>

You can also combine the classes to create more complex layouts. For example, the following code would create a layout where the left side of the page is full height and the right side is half height:

<p class="flex">
  <p class="h-full w-1/2 bg-blue-500">
    This element will be full height and half-width.
  </p>
  <p class="h-1/2 w-1/2 bg-red-500">
    This element will be half-height and half-width.
  </p>
</p>
This element will be full

How to Set Height to 80% in Tailwind?

To set the height of the element to 80 in Tailwind, you can use the h-[80%] class. This will set the height of the element to 80% of its parent container.

<p class="h-[80%]">
  This element will be 80% of the height of its parent container.
</p>

You can also use the h-[80vh] class to set the height of the element to 80% of the viewport height. This is useful for creating elements that are full height, but need to be slightly smaller than the viewport to accommodate things like the header and footer.

Here is an example:

<p class="h-[80vh]">
  This element will be 80% of the height of the device.
</p>

Which class you use depends on your specific needs. If you need to set the height of the element relative to its parent container, use the h-[80%] class. If you need to set the height of the element relative to the viewport height, use the h-[80vh] class.

๐Ÿ“ Note: The h-[80%] class will only work if the parent container has a height set. If the parent container does not have a height set, the element will not be visible.

How to Set Fixed Height in Tailwind?

To set a fixed height in Tailwind, you can use the h-{number} or h-px classes. The h-{number} class sets the height of the element to a specific value in pixels. For example, h-[100px] would set the height of the element to 100 pixels. The h-px class sets the height of the element to a specific value in pixels, but it also includes the padding and border of the element. For example, h-[100px] would set the height of the element to 100 pixels, including the padding and border. By default, only responsive variants are generated for height utilities.

To set a fixed height on an element, simply add the appropriate h-{number} or h-px class to the element. For example:

<div class="h-[100px]">
  This element will be 100 pixels high.
</div>

<img class="h-[100px]" src="https://helene-ui.netlify.app/ui/overlay-chat-ui/img/embedded-image.png" alt="Nature plantation" />
This image will be 100 pixels high, including the padding and border.

You can also use the h-{2/3, 1/4, …} classes to set a fixed height on an element relative to the height of its parent container. For example, h-3/4 would set the height of the element to half the height of its parent container.

<div class="h-full">
  <div class="h-1/2">
    This element will be half the height of its parent container.
  </div>
</div>

Working with Relative Height

Tailwind provides several ways to work with relative height. One common way is to use the h-{value} utility classes. These classes set the height of the element to a fraction of the height of its parent container. For example, h-1/2 would set the height of the element to half the height of its parent container.

Tailwind also provides several other utility classes that can be used to work with relative height, such as min-h-[value], max-h-[value], and flex-shrink-[value]. These classes can be used to set the minimum height, maximum height, and flexibility of an element, respectively.

Here are a few examples of how to use relative height in Tailwind:

<div class="min-h-[100px] border border-red-500 mt-2">
  min-h-[100px]
</div>

<div class="min-h-[200px] max-h-[500px] border border-red-500 mt-2">
  min-h-[200px] max-h-[500px]
</div>
Working with Relative Height

What is line-height in Tailwind?

Line height in Tailwind is the vertical distance between lines of text. It is controlled by the leading property. Tailwind provides a variety of leading classes that can be used to set the line height of elements.

For example, the leading-tight class will set the line height of the element to be very tight, while the leading-loose class will set the line height to be very loose.

How Line Height Affects the Vertical Spacing Within Elements

Line height is an important property for controlling the readability of text. A good line height will make the text easier to read by providing enough space between lines so that the reader’s eye does not have to jump too far from one line to the next.

Here is an example of how line-height affects the vertical spacing within elements:

<p class="leading-tight border border-red-500">
  Lorem ipsum dolor sit amet, consectetur adipiscing div class h 48 elit, sed do eiusmod tempor incididunt ut labore et dolore h full height magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris config file
</p>
<br>
<p class="leading-loose border border-red-500">
  Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut screen height enim ad h auto height minim h screen height veniam, quis nostrud exercitation ullamco config file laboris
</p>
How Line Height Affects the Vertical Spacing Within Elements
How Line Height Affects the Vertical Spacing Within Elements

The paragraph with the leading-tight class will have less space between the lines of text, while the paragraph with the leading-loose class will have more space between the lines of text.

How to Set Minimum Height

To set a minimum height for an element using Tailwind, you can use the min-h-{value} class. The {value} can be any valid CSS unit, such as pixels, rems, or ems.

For example, to set the minimum height of the element to 100 pixels, you would use the following class:

<div class="min-h-[100px]">
  This element will have a minimum height of 100 pixels.
</div>

If the content of the element is less than 100 pixels high, the element will be stretched to at least 100 pixels high.

How to Set Maximum Height

To set a maximum height for an element using Tailwind, you can use the max-h-{value} class. The {value} can be any valid CSS unit, such as pixels, rems, or ems.

For example, use the following utilities for setting the maximum height of an element to 200 pixels:

<p class="max-h-[200px]">
  This element will have a maximum height of 200 h-px height.
</p>

If the content of the element is more than 200 pixels high, the element will be clipped to 200 pixels high.

How to Set Tailwind Height with Arbitrary Values Using h-{value}

To set the height of the element to an arbitrary value in Tailwind, you can use the h-{value} class. The {value} can be any valid CSS unit, such as pixels, rems, or ems.

For example, to set the height of the element to 50% of the viewport height, you would use the following class:

<div class="h-[50vh]">
  This element will be 50% of the viewport height.
</div>

How to Set Tailwind Height Based on State Pseudo-classes, like :hover, :focus, :active

To set the height of the element based on its state, you can use pseudo-classes. For example, to set the height of the element to 100 pixels when it is hovered over, you would use the following class:

<div class="hover:h-[100px] focus:h-[200px]">
  This element will be 100 h-px height when hovered over.
</div>

For example, this config will also generate hover and focus variants. You can also use pseudo-classes to set the height of the element based on its focus or active state by replacing hover: with either focus: or active:

Wrapping Up with Tailwind Height

Knowing how to manipulate the height of HTML elements with Tailwind can greatly improve your web development workflow. The utility-first approach of Tailwind enables you to quickly create responsive and visually appealing layouts without the need for extensive custom CSS.

In this article, we looked at how to work with height in Tailwind, including how to set fixed heights, relative heights, minimum and maximum heights, and even how to use arbitrary values for precise control over element heights.

We also discussed how the line height affects text vertical spacing within elements and how to set it using Tailwind.

If you don’t plan to use the height utilities in your project, you can disable them entirely by setting the height property to false in the modules section of your config file.

At Purecode.ai, we have simplified the web development workflow by taking away your worries as a developer. We have a collection of 10, 000+ AI-generated components for TailwindCSS for you to quickly get started with your project. Get started today building fast. ๐Ÿš€

Emmanuel Uchenna

Emmanuel Uchenna

Emmanuel is an experienced and enthusiastic software developer and technical writer with 4+ proven years of professional experience. He focuses on full-stack web development. He is fluent in React, TypeScript, VueJS, and NodeJS and familiar with industry-standard technologies such as version control, headless CMS, and JAMstack. He is passionate about knowledge sharing.